Sliding door.



No. 730,289. RATBNTBD, mms, 190s. Y' I. E. MQQRAGKBN: f l

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Ewen@ v Nq. 730,233. PATENTED JUNE' 9, 1903A.

' I. E; MUGRAGKBN- '.SLIDING DOOR. APRLIUA'TION FILED JULY 1f1. 1902.' A l0 mmm..v l 2 sHBETsfsnmzT 2.

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No. actress.

. UNITED STATES;y

Patented I une 9, 1993.

PATENT OEEICE.

ISAAC E. MOCRACKEN, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO JOHN L. WOODS, OF CHICAGO, ILLINOIS;

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SPECIFICATION forming part of Letters Patent No. 730,289, dated'J une 9, 1903.

Application filed July 14, 1902.

T a/Z whom t may concern:

Be it known that I, ISAAC EMCCRACKEN, of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Sliding Doors; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked zo thereon, which form a part of this specification.

This invention relates to improvements in sliding doors, and refers more specifically to an improved means for hanging or supporting the door,whereby it may be readily opened and closed and securely locked in its open position.

The invention is particularly applicable to interior doors for grain-cars, and -is herein 2o shown in that relatipn, though it is obvious that it is capable of application to other sliding doors wherein a construction substantially as herein illustrated is desirable.

The invention consists in the matters herez 5 inafter'set forth, and more particularly pointed out in the appended claims.

In the drawings, Figure 1 is a fragmentary perspective View ofthe interior of a graincar provided with an interior door made in 3o accordance with my invention. Fig. 2 is an edge elevation of theA door, showing in section one of the Vgn'iderails, in which a part,

. projecting from the door slides and by which` l the door is supported. Fig. 3 is ahorizontalsection taken on line`3 3 of Fig. l. 4 Fig. t

is a fragmentary view showing in side elevation a locking device for holding the door in its open position. Fig.^5 isa plan View of the principal parts shown in'FiCf. 'etz 4o side, and A -the end, wall of a grain-car.

A2 designatesthe interior lining for the side and end .walls ofthe car, which extends from the iioor thereoft about half the distance to the car-roof( A3 designates the exterior sliding door of the car, which slides laterally to open and close in the usual manner.y

B designates the interior door of the car, 5o which is located between the vertical posts A4 of the door-frame and opposite to the outer As show in the drawings, A designates the sein no. 115.437. (No man.)

door. Said door is nia-de of the same height as the lining A2 and when closed prevents the escape of grain from the car. Said door when closed rests at its lower margin on the car-floor and is supported at its upper part by means of suitable guide-rails C, attached to the door-frame posts A4. Said guide-rails, as herein shown, are made of metal and are setl into grooves o; in the inner faces of the door- 6o frame posts. As herein shown, said guiderails are made parti-cylindric and are provided with longitudinal grooves, which open toward the interior' of the car. The door is provided with-suitable projecting parts, which engage the grooves of said rails C. Said projecting parts in this instance consist of studs o, which project outwardly from the upper ends of bars B, attached to the outer face of the door, and enter the grooves 7o of said rail. Said bars are set into the door flush with the outer surface thereof and, as herein shown, project obliquely outwardly from the upper corners of the door and extend a distance inwardly therefrom. The manner of constructing the projecting parts which engage the guide-rails may he varied, however, and I do not wish to be limited to the structural details shown except as hereinafter made the subjectof specific claims. 8o The inner ends of the studs?) are provided e with enlargements b, w hich fit closely within the grooves of lheitracl-rails C and are made ofsnch size .as topreveht withdrawal of the -studs laterally 4from said rails. Said 85 studs are adapted to be inserted into and removed from the grooved guide-rail at the lower ends thereof, theggrooves o being eX- tended for this purpose below said rails. The dotted lines in Figf2 indicate the manner of 9o inserting 'and removing the door.

The grooved guide-rails are provided at their. upper-ends with lateral horizontal ex- Atensions C', which are attached tothe wall of the car, near the roof thereof, and are'joined' 95 to the vertical parte of the guide-rails by means of curved portions c,I The curvedportions c of the guide-rails are parallel with each other, and the horizontal extensions thereof are located in the same horizontal roo plane when the oars B project at equal distances from the door, as herein shown. The

extension C of one of the rails extendshorizontally away from the upper end of the doorframe, while the other extension extends across the top of the door-frame and terminates at the curved portion c of the opposite guide-rail, as shown in Fig. l, the horizontal extension of one of said guide-rails being thus located in alinement with the other.

With this construction when the door is occupying its closed position, as shown in full lines in Fig. l, and it is desired to open the door or move it out of line with the dooropening the door is pushed upwardly until the engagement of the studs b with the curved parts'of the guide-rails causes said studs to be diverted into the horizontal extensions of the guide-rails. Thereafter the door may be moved into the position shown in dotted lines in Fig. l by side pressure applied to one side of the door, the horizontal extensions C of the guide-rails thus supporting the door when occupying its open position.

Upper and lower stops D D' are provided for limiting the opening movement of the door. The upper stop is located near the carroof on the side Wall of the car and is adapted for engagement by the adjacent one of the bars B to arrest the movement of the door. The lower stop is affixed to the lining A2, near the top thereof, and is adapted for engagement by a lock-lug B2, directed laterally from the adjacent lower corner of the door. Said lug is adapted for locking engagement with a spring-pressed latch D2, pivoted to the stop D', whereby the doormay be locked in its closed position. The lock-lug B2 is provided with a beveled advance end b2, which is adapted to pass between the latch and its support when the door is being opened, and said lug is also `provided with an oppositely-facing abrupt shoulder b3, which is adapted for engagement by the tooth d of the latch when the door is fully opened to hold the door in its open position until said latch is released.

The construction shown provides a ready means of opening the door and also an eiective means for holding the door open or out of the way of the door-opening. Moreover, by reason of the fact that the door in its opening and closing movements is moved in the direction of its plane and always occupies a position parallel with the side wall of the car said door occupies a minimum amount of space when in its open position.

It is obvious that changes may be made in the structural details and the proportioning of parts without departing from the spirit of my invention, and I do not Wish t'o be limited to such details except as hereinafter made the subject of'speciic claims.

I claim as my invention- 1. The combination with a wall having a doorway and a sliding door, ot' track-rails comprising parallel, vertical parts which are affixed to the wall at either side of the doorwayr and laterally-directed extensions which are attached to the side Wall and joined to the vertical portion by curved portions; the lateral extension of one of said track-rails extending along said wall from one side of the door-frame and the similar extension of the other track-rail extending along said wall across the top of the doorway toward the rstmentioned rail, and projecting parts on the door adapted for sliding engagement with said track-rails.

2. The combination with a sliding door and its frame, of track-rails comprising parallel, vertical parts which are afxed to 'the doorframe posts, and lateral extensions which are joined to the vertical parts by curved portions, the lateral extension of one of said track-rails projecting from one side of the door and the similar extension of the other track-rail projecting across the upper end of the door-frame toward the first-mentioned rail, said track-rails being provided with longitudinal grooves which open toward the door, and lugs on the door which have interlocking engagement with and slide longitudinallyon said grooved track-rails.

3. The combination with a sliding door and its frame, said frame ha ving door-posts provided With vertical grooves, of 'track-rails comprising parallel vertical parts which are located in said grooves of the doorframe posts, and lateral extensions which are joined to the Vertical parts by curved portions, said track-rails being provided with longitudinal grooves which open toward the door, and lugs on the door which have interlocking engagement with and slide in said grooved trackrails, said grooves in the door-posts which are occupied by said track-rails extending below the track-rails to permit the lugs of the door to be removed from and inserted into the lower open ends of said grooved rails. l

In testimony that I claim the foregoing as my invention I aiiix my signature, in presence of two witnesses, this 12th day of July, A. D. 1902.

IsAAo E. ncoRAoIIEN.

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